查询词典 evolution equation

The stress concentration factor is introduced to modify the fatigue limit and a practical damage evolution equation is established.

引入应力集中因子修正疲劳极限，提出一种实用有效的损伤演化方程。

For the definition of two damage variables,damage variable and damage evolution equation are derived respectively.

针对两种损伤的定义，给出了损伤变量和损伤演化方程，同时用损伤力学定义了边坡的安全系数为极限损伤与最大损伤变量之比，并给出了应用算例。

This paper contains three sections:In section 1,this paper introduces the background and the research results of assets evolution equation and the optimal control problem.And some preliminaries and main results are presented.

本文共分三节：第一节，介绍了资产发展方程以及最优控制问题的研究背景及现状，给出了预备知识及本文的主要结果。

The model has been generalized to the condition with dissipation, which is an effective work of mine, and the evolution equation of the density operator is present.

此外，我的一个有效工作是还把该模型推广到有环境耗散情形，引入系统密度矩阵的演化动力学方程。

In this paper,the existence and stability of fixed points are studied to a Nonlinear Evolution Equation and the nonexistence of limit cycles is proved by the Bendixon-Dulax.

研究了一个非线性发展方程不动点的存在性及其稳定性，并运用Bendixon-Dulax判别法证明了此方程极限环的不存在性

These models include many constitutive relations of damaged structure and stress transition method, damage evolution equation and respective failure criterion.

模型中包括了损伤结构的多种本构关系及应力转换方法、损伤发展方程与相配套的破坏准则。

A study was made on the relationship between the stability and convergence when the difference method was used to solve the initial boundary value problem of the autonomous evolution equation.

研究用差分法求解自治的发展方程初边值问题时稳定性和收敛性之间的联系。

Furthermore, the GKS theory for judging the initialboundary value problem of linear evolution equation is emphatically discussed.

同时，重点介绍了判定线性发展方程初边值问题计算稳定性的GKS理论。

In the model, the evolution equation of damage was introduced and the time-dependent effect and nonproportional path effect was taken into account.

在模型中，引入了损伤演化方程，考虑了时相关效应及非比例路径效应。

The new method- expansion method-proposed by Wang Ming-hang and others is promoted to high-dimensional nonlinear evolution equation.

将王明亮等人提出的一种新方法－扩展法推广到高维的非线性演化方程。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。